JPS62109552U - - Google Patents
Info
- Publication number
- JPS62109552U JPS62109552U JP20225985U JP20225985U JPS62109552U JP S62109552 U JPS62109552 U JP S62109552U JP 20225985 U JP20225985 U JP 20225985U JP 20225985 U JP20225985 U JP 20225985U JP S62109552 U JPS62109552 U JP S62109552U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- telephone
- telephone terminal
- telephone set
- generating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20225985U JPS62109552U (sh) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20225985U JPS62109552U (sh) | 1985-12-26 | 1985-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62109552U true JPS62109552U (sh) | 1987-07-13 |
Family
ID=31166470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20225985U Pending JPS62109552U (sh) | 1985-12-26 | 1985-12-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62109552U (sh) |
-
1985
- 1985-12-26 JP JP20225985U patent/JPS62109552U/ja active Pending
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